Model Comparison

Fable 5.2 vs Muse Glimmer

Fable 5.2 ranks #1 on the AI IQ leaderboard with an estimated IQ of 144, while Muse Glimmer ranks #99 on the AI IQ leaderboard with an estimated IQ of 106. The table below puts the two models side by side across the seven capability dimensions, emotional reasoning, cost, speed, and context window.

Where They Sit on the IQ Bell Curve
Both models highlighted on the standard normal IQ distribution of every tracked model
IQ Dimensions Head to Head
The seven scored Composite IQ dimensions, side by side
Domains Head to Head
Applied domain composite scores where at least one model is measured
Fable 5.2AnthropicMuse GlimmerMeta
Rank#1#99
IQ144106
Abstract Reasoning13488
Mathematical Reasoning14894
Academic Reasoning135119
Programmatic Reasoning154104
Computer Use157113
Reliability145112
Knowledge Work134109
Emotional Reasoning——
Effective Cost / 1M Tokens$73.69$0.56
Sticker Price / 1M I/O Tokens$48.00$1.68
Speed—107 tok/s
Context Window1M128K
Released2026-11-092026-08-10
Open WeightsNoYes